Patents by Inventor Jean P. Hermans

Jean P. Hermans has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Catalytic complexes
    Patent number: 4210738
    Abstract: Solid catalytic complexes are useful for stereospecific polymerization of .alpha.-olefins to solid crystalline polymers. The complexes are formed by reducing TiCl.sub.4 with an alkylaluminum, treating thus-obtained reduced solid with a complexing agent and contacting the resultant with TiCl.sub.4. They have a specific surface greater than 75 m.sup.2 /g.
    Type: Grant
    Filed: March 21, 1972
    Date of Patent: July 1, 1980
    Assignee: Solvay & Cie.
    Inventors: Jean P. Hermans, Paul Henrioulle